Date of Discovery: 1886
Discoverer: Clemens Winkler
Name Origin: From the Latin word Germania, meaning Germany
Uses: Semiconductors
Obtained From: Refining of copper, zinc, lead

 
Atomic Number: 32
Atomic Mass: 72.61 amu
Melting Point: 937.4 °C (1210.55 °K, 1719.3201 °F)
Boiling Point: 2830.0 °C (3103.15 °K, 5126.0 °F)
Crystal Structure: Cubic
Density @ 293 K: 5.323 g/cm3
Color: Grayish

 
Isotope
Ge-68
Ge-69
Ge-70
Ge-71
Ge-72
Ge-73
Ge-74
Ge-76
Ge-77
Half Life
270.8 days
1.6 days
Stable
11.4 days
Stable
Stable
Stable
Stable
11.3 hours